Home / 138,808,255.71-206,971,401.11-134,994,585.36

Finding the Fourth Proportional to 138,808,255.71, 206,971,401.11 and 134,994,585.36

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Solution

The fourth proportional to 138,808,255.71, 206,971,401.11 and 134,994,585.36 is: 201,284,990.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,808,255.71 : 206,971,401.11 = 134,994,585.36 : x
  2. Step 2: Convert to fraction form
    138,808,255.71/206,971,401.11 = 134,994,585.36/x
  3. Step 3: Cross multiply
    138,808,255.71x = 206,971,401.11 × 134,994,585.36
  4. Step 4: Simplify right side
    138,808,255.71x = 27,940,018,473,547,724
  5. Step 5: Solve for x
    x = 27,940,018,473,547,724/138,808,255.71
  6. Step 6: Final answer
    x = 201,284,990.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.